package cn.wolfcode.service.impl;

import cn.wolfcode.domain.Role;
import cn.wolfcode.mapper.RoleMapper;
import cn.wolfcode.qo.PageResult;
import cn.wolfcode.qo.QueryObject;
import cn.wolfcode.service.IRoleService;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.Collections;
import java.util.List;

@Service
public class RoleServiceImpl implements IRoleService {

    @Autowired
    private RoleMapper roleMapper;

    @Override
    public void delete(Long id) {
        roleMapper.deleteByPrimaryKey(id);
    }

    @Override
    public void save(Role role, Long[] ids) {
        roleMapper.insert(role);
        if (ids != null && ids.length > 0) {
            for (Long id : ids) {
                roleMapper.insertRelation(role.getId(), id);
            }
        }
    }

    @Override
    public Role get(Long id) {
        return roleMapper.selectByPrimaryKey(id);
    }

    @Override
    public List<Role> listAll() {
        return roleMapper.selectAll();
    }

    @Override
    public void update(Role role, Long[] ids) {
        roleMapper.deleteRelation(role.getId());
        if (ids != null && ids.length > 0) {
            for (Long roleId : ids) {
                System.out.println(roleId);
                roleMapper.insertRelation(role.getId(), roleId);
            }
        }
    }

    @Override
    public PageInfo<Role> query(QueryObject qo) {
        //int count = roleMapper.selectForCount(qo);
        //if(count == 0) {
        //    return new PageResult<>(qo.getCurrentPage(), qo.getPageSize(), Collections.emptyList(), count);
        //}
        //// 获取总页数
        //int totalPage =  count % qo.getPageSize() == 0?
        //        count / qo.getPageSize() : count / qo.getPageSize() + 1;
        //// 判断当前页是否大于总页数, 如果是, 把总页数作为当前页来查询
        //qo.setCurrentPage(totalPage <= qo.getCurrentPage() ? totalPage : qo.getCurrentPage());
        PageHelper.startPage(qo.getCurrentPage(), qo.getPageSize());
        List<Role> roles = roleMapper.selectForList(qo);
        return new PageInfo<>(roles);
    }

    @Override
    public List<String> selectSnByEmpId(Long id) {
        return roleMapper.selectSnByEmpId(id);
    }
}
